By Gary M. White, MD

Erythema Multiforme. This young man's photodistributed EM was precipitated by a cold sore 7 days prior.
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Phototoxic Drug Reaction, e.g. HCTZ
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Photo-Induced Lupus, e.g., from omeprazole.

Polymorphous Light Eruption
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Lupus Erythematosus, dermatomyositis (shown here) and other connective tissue diseases.
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Photocontact Dermatitis

Recall Dermatitis

Solar Urticaria
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Chronic Actinic Dermatitis (Photosensitive atopic dermatitis)
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Warts The presence of warts only on sun-exposed parts of the body is extremely uncommon and rarely reported [Indian J Dermatol 2016;61:440-2].

Photodistributed Bulla

Chickenpox Rarely, chickenpox may occur in a photodistributed manner [An unusual photodistributed rash. Diagnosis: actinic varicella. Pediatr Dermatol. 2014 Sep-Oct.]

Erythema Multiforme, Photodistributed
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Sweet's Syndrome. A 40-year-old woman with multiple red raised painful lesions over her body of 10 days duration. Lesions spread from forearms to arms and back of trunk during the progress of the disease. Indian J Dermatol 2014;59:186-9


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